* Re: [RFC PATCH V1 3/5] mm/damon: Add 'damon_region' NUMA access statistics core implementation
[not found] <de07c5a70a0a2f5aa86fe92581acd0b3ac8a8e18.1645024354.git.xhao@linux.alibaba.com>
@ 2022-02-16 12:15 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2022-02-16 12:15 UTC (permalink / raw)
To: Xin Hao; +Cc: llvm, kbuild-all
Hi Xin,
[FYI, it's a private test report for your RFC patch.]
[auto build test WARNING on linus/master]
[also build test WARNING on v5.17-rc4]
[cannot apply to hnaz-mm/master rostedt-trace/for-next next-20220216]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Xin-Hao/mm-damon-Add-NUMA-access-statistics-function-support/20220216-163243
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git c5d9ae265b105d9a67575fb67bd4650a6fc08e25
config: hexagon-randconfig-r045-20220216 (https://download.01.org/0day-ci/archive/20220216/202202162010.gxDXd2ex-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 0e628a783b935c70c80815db6c061ec84f884af5)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/0day-ci/linux/commit/f84003da496b71b9f13c4de140de21d70a73a408
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Xin-Hao/mm-damon-Add-NUMA-access-statistics-function-support/20220216-163243
git checkout f84003da496b71b9f13c4de140de21d70a73a408
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash mm/damon/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
mm/damon/core.c:1023:29: error: implicit declaration of function 'damon_get_task_struct' [-Werror,-Wimplicit-function-declaration]
struct task_struct *ts = damon_get_task_struct(t);
^
mm/damon/core.c:1023:29: note: did you mean 'get_task_struct'?
include/linux/sched/task.h:104:35: note: 'get_task_struct' declared here
static inline struct task_struct *get_task_struct(struct task_struct *t)
^
>> mm/damon/core.c:1023:24: warning: incompatible integer to pointer conversion initializing 'struct task_struct *' with an expression of type 'int' [-Wint-conversion]
struct task_struct *ts = damon_get_task_struct(t);
^ ~~~~~~~~~~~~~~~~~~~~~~~~
mm/damon/core.c:1058:6: error: redefinition of 'damon_numa_fault'
void damon_numa_fault(int page_nid, int node_id, struct vm_fault *vmf)
^
include/linux/damon.h:525:20: note: previous definition is here
static inline void damon_numa_fault(int page_nid, int node_id, struct vm_fault *vmf) { }
^
1 warning and 2 errors generated.
vim +1023 mm/damon/core.c
1009
1010 static struct damon_target *get_damon_target(struct task_struct *task)
1011 {
1012 int i;
1013 unsigned long id1, id2;
1014 struct damon_target *t;
1015
1016 rcu_read_lock();
1017 for (i = 0; i < READ_ONCE(dbgfs_nr_ctxs); i++) {
1018 struct damon_ctx *ctx = rcu_dereference(dbgfs_ctxs[i]);
1019
1020 if (!ctx || !ctx->kdamond)
1021 continue;
1022 damon_for_each_target(t, dbgfs_ctxs[i]) {
> 1023 struct task_struct *ts = damon_get_task_struct(t);
1024
1025 if (ts) {
1026 id1 = (unsigned long)pid_vnr((struct pid *)t->id);
1027 id2 = (unsigned long)pid_vnr(get_task_pid(task, PIDTYPE_PID));
1028 put_task_struct(ts);
1029 if (id1 == id2)
1030 return t;
1031 }
1032 }
1033 }
1034 rcu_read_unlock();
1035
1036 return NULL;
1037 }
1038
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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